Base | Representation |
---|---|
bin | 1110010011110… |
… | …00011010110101 |
3 | 22100212012102221 |
4 | 13021320122311 |
5 | 221211442101 |
6 | 15524402341 |
7 | 2655150214 |
oct | 711703265 |
9 | 270765387 |
10 | 120030901 |
11 | 61832aa1 |
12 | 342463b1 |
13 | 1bb38003 |
14 | 11d2707b |
15 | a80eaa1 |
hex | 72786b5 |
120030901 has 2 divisors, whose sum is σ = 120030902. Its totient is φ = 120030900.
The previous prime is 120030899. The next prime is 120030979. The reversal of 120030901 is 109030021.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 94770225 + 25260676 = 9735^2 + 5026^2 .
It is an emirp because it is prime and its reverse (109030021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120030901 - 21 = 120030899 is a prime.
Together with 120030899, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120030991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60015450 + 60015451.
It is an arithmetic number, because the mean of its divisors is an integer number (60015451).
Almost surely, 2120030901 is an apocalyptic number.
It is an amenable number.
120030901 is a deficient number, since it is larger than the sum of its proper divisors (1).
120030901 is an equidigital number, since it uses as much as digits as its factorization.
120030901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 120030901 is about 10955.8614905447. The cubic root of 120030901 is about 493.2847492432.
Adding to 120030901 its reverse (109030021), we get a palindrome (229060922).
The spelling of 120030901 in words is "one hundred twenty million, thirty thousand, nine hundred one".
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